class AddAdminInfo < ActiveRecord::Migration
  def self.up
    add_column(:artists, :added_by, :int)
    add_column(:artists, :last_edited_by, :int)
    
    add_column(:artworks, :added_by, :int)
    add_column(:artworks, :last_edited_by, :int)
  end
  
  def self.down
    remove_column(:artists, :added_by)
    remove_column(:artists, :last_edited_by)
    
    remove_column(:artworks, :added_by)
    remove_column(:artworks, :last_edited_by)    
  end
end